Make multiple Ethereum network requests in a single HTTP query. ethcall for ethers v6.
- Updated
ethersdependency to version 6 by Ilia Aksakov.
-
Contract(address, abi): Create contract instance; callingcontract.callFuncNamewill yield acallobject -
all(calls): Execute all calls in a single request -
calls: List of helper call methods -
getEthBalance(address): Returns account ether balance
import { Contract, Provider } from "ethers-v6-multicall";
import { InfuraProvider } from "ethers";
import erc20Abi from "./abi/erc20.json";
const infuraKey = "INSERT_YOUR_KEY_HERE";
const provider = new InfuraProvider("mainnet", infuraKey);
const daiAddress = "0x6b175474e89094c44da98b954eedeac495271d0f";
async function call() {
const ethcallProvider = new Provider(provider);
await ethcallProvider.init(); // Only required when `chainId` is not provided in the `Provider` constructor
const daiContract = new Contract(daiAddress, erc20Abi);
const uniswapDaiPool = "0x2a1530c4c41db0b0b2bb646cb5eb1a67b7158667";
const ethBalanceCall = ethcallProvider.getEthBalance(uniswapDaiPool);
const daiBalanceCall = daiContract.balanceOf(uniswapDaiPool);
const [ethBalance, daiBalance] = await ethcallProvider.all([
ethBalanceCall,
daiBalanceCall,
]);
console.log("ETH Balance:", ethBalance.toString());
console.log("DAI Balance:", daiBalance.toString());
}
call();